Brakes on a serious SUV require more than just enough power to stop a fully loaded 6400-pound five-door family vehicle from 70 mph or more. Brakes on a serious SUV also demand the extra good pedal feel and system feel that make challenging off-road conditions easier on the nerves. Even when soaking wet, these brakes performed flawlessly, with lots of pedal feedback.
Hummer 2 marks the first use by GM and AM General of a new Borg-Warner transfer case, two-stage traction control and special-conditions strategy. With this system, you get pushbutton range shifting for high and low ranges, with or without rear differential locking, and a drive system that allows any one wheel with traction to propel the truck by using ABS circuitry to stop and start the rotation of the tires. The TC2 or second traction control strategy allows all four tires to spin freely at high rpm, a strategy needed on some loose or slick surfaces.
Huge LT315/70R17 BF Goodrich All-Terrain tires were easy to steer on highway and off. The truck carries an onboard compressor and hose fittings to enable deflating and reinflating tires as road and surface conditions dictate, using the air suspension's compressor. As big as they are, with that much contact patch on the road, the tires were surprisingly quiet at highway cruising speeds.
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